22144334 has 4 divisors (see below), whose sum is σ = 33216504. Its totient is φ = 11072166.

The previous prime is 22144333. The next prime is 22144361. The reversal of 22144334 is 43344122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43344122 = 2 ⋅21672061.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5536082 + ... + 5536085.

It is an arithmetic number, because the mean of its divisors is an integer number (8304126).

Almost surely, 2^22144334 is an apocalyptic number.

22144334 is a deficient number, since it is larger than the sum of its proper divisors (11072170).

22144334 is a wasteful number, since it uses less digits than its factorization.

22144334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072169.

The product of its digits is 2304, while the sum is 23.

The square root of 22144334 is about 4705.7766627837. The cubic root of 22144334 is about 280.8153699079.

Adding to 22144334 its reverse (43344122), we get a palindrome (65488456).

The spelling of 22144334 in words is "twenty-two million, one hundred forty-four thousand, three hundred thirty-four".